#25448B#25448B

#25448B is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.5% C 0.124 H 263.9°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#25448B
RGB	rgb(37, 68, 139)
HSL	hsl(222, 58%, 35%)
HSV	hsv(222, 73%, 55%)
CMYK	cmyk(73.4%, 51.1%, 0%, 45.5%)
CIE-LAB	lab(30.38, 14.45, -42.93)
CIE-LCH	lch(30.38, 45.29, 288.60°)
OKLab	oklab(40.48% -0.0131 -0.1233)
OKLCH	oklch(40.48% 0.124 263.9)
XYZ	xyz(7.4886, 6.3909, 25.2600)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25448B #8B6C25

analogous

#25778B #25448B #39258B

triadic

#25448B #8B2544 #448B25

tetradic

#25448B #8B2577 #8B6C25 #258B39

square

#25448B #8B2577 #8B6C25 #258B39

split-complementary

#25448B #8B3925 #778B25

monochromatic

#0B152A #182C5B #25448B #325CBB #587DD3

Accessibility & contrast

On white

9.22

#25448B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#25448B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25448B

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25448B	#FFFFFF	#000000	##FFFFFF
##25448B	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4C8E

Deuteranopia (green-blind)

#00438A

Tritanopia (blue-blind)

#005561

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #25448b;
/* rgb */ color: rgb(37, 68, 139);
/* oklch */ color: oklch(40.5% 0.124 263.9);

Tailwind

colors: {
  custom: {
    50: '#6e77ad',
    500: '#25448b',
    950: '#000000',
  },
}

SCSS

$custom: #25448b;
$custom-light: #6e77ad;
$custom-dark: #000000;

JSON

{
  "hex": "#25448b",
  "rgb": {
    "r": 37,
    "g": 68,
    "b": 139
  },
  "hsl": {
    "h": 221.765,
    "s": 57.955,
    "l": 34.51
  },
  "oklch": {
    "l": 0.40482,
    "c": 0.12398,
    "h": 263.9
  },
  "luminance": 0.06392
}

Semantic roles & 50–950 ramp

primary

#25448B

secondary

#B79955

accent

#B247E1

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #25448B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →